
common information, or attributes, about a manageable component.
GUI
Acronym for graphical user interface.
h
Abbreviation for hexadecimal. A
heat sink
A metal plate with metal pegs or ribs that help dissipate heat. Most processors include a heat sink.
HMA
Abbreviation for high memory area. The first 64 KB of extended memory above 1 MB. A memory manager that conforms to the XMS can make the HMA a direct extension of conventional memory. See also "upper memory area" and "XMM".
host adapter
A host adapter implements communication between the computer's bus and the controller for a peripheral device.
HPFS
Abbreviation for the High Performance File System option in the OS/2 and Windows NT operating systems.
Hz
Abbreviation for hertz.
ICES
Abbreviation for
ICU
VGA feature connector
On some systems with a
video adapter
The logical circuitry that
On some Dell computers, a video adapter is integrated into the system board. Also available are many video adapter cards that plug into an
Video adapters often include memory separate from RAM on the system board. The amount of video memory, along with the adapter's video drivers, may affect the number of colors that can be simultaneously displayed. Video adapters can also include their own coprocessor for faster graphics rendering.
video driver
A program that allows
video memory
Most VGA and SVGA video adapters include memory chips in addition to your computer's RAM. The amount of video memory installed primarily influences the number of colors that a program can display (with the appropriate video drivers and monitor capabilities).
video mode
Video adapters normally support multiple text and graphics display modes.
video resolution
Video
virtual memory